Algorithm 1: FTTM Algorithm.

Load $f_S({\mathbf{w}}_{\mathbf{S}},{\mathbf{h}}_{\mathbf{S}})$;

Load $x_T$, $y_T$;

Fine-tune $f_S({\mathbf{w}}_{\mathbf{S}},{\mathbf{h}}_{\mathbf{S}})$ with $x_T$, $y_T$;

Test $f_T({\mathbf{w}}_{\mathbf{T}},{\mathbf{h}}_{\mathbf{S}})$

Compute MAE, RMSE, CC;